Best Water Coolers

Water coolers provide the best solution for a convenient and hygienic source of refreshing water in both a home and an office setting. This is why they are quickly becoming a must-have device in most office inventories as their convenience and lower cost surpasses that of regular bottled water.

However, as the question of whether to buy one or not is becoming obsolete, getting the best model remains a mystery among consumers from all walks of life.

Like most tech gadgets, this stems from the lack of knowledge on how the water cooler machine works and the factors that matter during the decision making process. This guide is all about furnishing a solution to this problem by striving to unearth everything you need to know about water coolers.

You will also learn about the various benefits of water coolers, and this will be followed by the list of best models of water coolers available in the market along with a few FAQs. Let’s get started.

Top 7 Water Coolers

ProductAverage User RatingPrice RangeBest Price
Our Choice
Three Key Control Interface
Durable and Appealing
Suffice Clean Water Needs
Great Set of Features
Best for Busy Environment
Best Water cooler machine for office

How Water Coolers Work


Water coolers thrive on the principle that heat can only be transferred in a single direction, and that is, from a region of high temperature to a region of lower temperature.

It is essentially a device that creates a region of lower temperature around a space filled with water so that heat is transferred from the water to the lower temperature region, thus making the water cooler.

The same principle is also employed in other home cooling appliances such as fridges and air conditioners.


The water cooler can create the colder surrounding using a more chilled fluid known as a refrigerant. This particular fluid can boil or freeze at very low temperatures, thus making them a sustainable medium for absorbing heat from the water.

A good example is a well-known refrigerant called R138a, which boils or vaporize at a temperature of -48 degrees celsius, which is considerably lower than water’s boiling point at 100 degrees celsius. The fact that the fluid can boil and condense at very low temperatures eliminates the need for frequent replacement as it undergoes a self-sustaining cycle to keep the refrigerant intact.


Having considered the basic principle underlying water coolers’ function, let us consider the actual structure and process.

Both home users and commercial water coolers have specialized containers known as a cooler reservoir. In essence, the container functions like a fridge; thus, it is also named a bank fridge. A series of coils which function as tubes containing the refrigerant is placed near the container.

A water cooler is more about processing the refrigerant than the water itself. A series of steps occur to make sure that there is a constant supply of the cool refrigerant to the coils surrounding the water container.

Three critical parts are constituting the water cooler as listed below:

  • Condenser
  • Compressor
  • Expansion valve

The first step involves a process where the compressor is filled by the refrigerant (in gas form) through a pumping mechanism. The piston of the compressor is then pushed inside, thereby increasing the pressure of the refrigerant gas. The overall temperature of the pressurized gas also increases as the gas particles collide at a faster rate.

Upon achieving a state of high pressure and temperature, the gas is pumped into the second component in the queue, which is the condenser. The condenser’s function is to reduce the temperature of the gas. This is made possible by the condenser’s structure, which is characterized by long coils, which allow the gas a large surface area where the pressure, and in turn, the temperature is significantly reduced.

To enhance the heat loss, most coolers are equipped with a fan that blows onto the coils. The significant loss of heat and pressure allows the refrigerant to turn into liquid form. However, this is not enough; more heat needs to be extracted from the refrigerant.

The expansion valve enables the refrigerant to lose more heat at this stage by squeezing the refrigerant into an area of low pressure, which in this case are coils surrounding the container. At this point, the warm water inside the container is ready to transfer heat to the refrigerant.

The mechanism is quite similar to that of a spray can’s pump. When the fluid from the spray can is pumped to the surrounding, it occupies a low-pressure area where it undergoes rapid expansion.

This means less pressure and movement of the particles, which translates into a loss of heat and temperature. This is the reason why the fluid from a spray can usually is cold.

Benefits of Water Coolers

Now, let us have a quick look at the key benefits that these machines afford us daily.


One general characteristic about water coolers for home, except a point of use coolers, is that they are portable devices that can easily be moved between places and can fit in small spaces.

Additionally, they also provide a quick plug-and-play system, thus making them a quick and easy-to-access source of clean water to sustain your daily activities.

Instant cold/hot water

Unlike other devices such as fridges, water coolers present one of the fastest cooling or heating mechanisms, with the most efficient ones only taking a few minutes post refill.


By providing an easy to clean apparatus, water coolers provide you greater control over the quality of water you consume, unlike tap water. Their design also provides for a reliable system with unparalleled ability to maintain a high quality of water.


Water coolers can be a great way to store sizeable amounts of water, and not only that, a good range of models provide for additional storage capacity through a cooling cabinet, which acts as a mini-fridge. This is usually placed at the base and is more prevalent in top load water coolers.

What to Look for While Choosing a Water Cooler

By now, you should have at least a basic idea of how these machines work. Now let us take a look at the factors you need to consider before choosing any model.


Check for the safety features of the model before you make a purchase. It should have a switch which enables you to turn off the hot water when not needed. This is an important safety feature to prevent children from burning their hands accidentally. The cooler should also be protected against electric shocks.


The water cooler should also have a self-cleaning feature. The feature sanitizes the dispenser of any bacteria, pathogens, and germs so that your drinking water can remain fresh for an extended period. This ensures that the water you consume is always safe and clean.

Energy efficiency

The power consumption of the water cooler is an essential factor. Ensure that it comes with automatic temperature control with a built-in cooling compressor. This saves power and energy, making it highly energy efficient. The energy efficiency of the water cooler will save costs on your electricity bills.

Easy to use

The water cooler should have a user-friendly design that is easy to install and makes it convenient to operate. The water cooler should have switches that will enable you to switch between hot and cold water quickly. Thus, you will be able to obtain the drinking water at your preferred temperature whenever you want.


There are different types of water coolers based on structural components and mounting methods.

  • Point of Use coolers

These are typically the most expensive due to a fairly complicated method of mounting and the extra features they provide. These are basically mounted into an existing structure of your home or office which has a water line in close proximity. The water line provides for an automatic supply to the water reservoir.

  • Top Load Bottled Water Cooler

These are less expensive and easier to install than a point of use coolers. They utilize water bottles that fall within the range of 2-5 gallons in terms of volume. The bottles can be purchased separately and simply be plugged in at the top to offer an efficient water supply.

  • Bottom Load Cooler

These are ideal if you are up for a cooler that offers the simplicity of a bottled water cooler, but with far less space consumption. These coolers shift the reservoir into a special cabinet situated at the base.

  • Countertop Coolers

These are more of a portable version of the first two water coolers. Their smaller size makes them great for limited spaces or in situations where you are too far from tap water for replenishment.


Water coolers come in different reservoir capacities, which may range from a few liters, as in portable coolers, or sizeable amounts offered by some top or bottom load coolers.  The key question to answer here is that, how much water do you intend to use per day?

This will give you a rough estimate of the appropriate size, which you may use to purchase a machine that will help you prevent frequent refills, thus being highly practical for your needs.

For reference’s sake, most portable, tabletop water coolers fall within 1-3 liters in terms of cold water reservoir volume. Medium-sized water coolers provide mid-range capacities that typically fall within 3-10 liters, while some high-end models extend the range to hit more robust values such as 40 liters.

Cooling capacity

Cooling capacity is different from reservoir volume, as we have considered in our previous point. This parameter relates to the speed at which the cooling system executes the process, and it is commonly measured in liters per hour.

Just like volume, different machines come with different volumes depending on a number of factors. As expected, the rate usually increases as you are going up the price ladder.

In other words, high-end machines usually have higher rates than lower-priced machines. Lower and mid-range coolers usually provide speeds within the 5-20 liters per hour range whereas high-end coolers go as far as 30 liters per hour.

Power consumption

Water coolers consume power at varying rates depending on the level of functionality they provide. Some water coolers combine heating and cooling functionalities while others are limited to the cooling mechanism. This makes the former more demanding in terms of electric energy, thus having a higher wattage.

Other factors such as volume and capacity also play a role in power consumption, thus making the wattage to increase as you move from low to high-end machines.

Again, as a reference, most mid and lower range machines provide rates within 400 to 500 watts for heating, and 20-30 watts for cooling. This is important as it allows you to make sure that you get a machine that doesn’t blow your monthly electricity budget through the roof.


You wouldn’t love to spend money on a machine that lasts for only a few months before you start thinking of spare parts and handymen.

This is why you should take a few moments of consideration on how the machine you are considering was built,  which materials were used, and how current and former users define their experience with the cooler.

Credible water coolers are made of two main materials: ABS and steel. Steel provides the best material in terms of durability due to its unparalleled strength in a wide range of structures.

Though generally weaker than steel, ABS plastic also affords a decent and solid physical structure; thus its widely employed in a wide range of home appliances.

Building materials in themselves are not enough as poorly constructed structures with strong materials tend to fail before their supposed lifespan. For this reason, a look at what the experience has been like for most users through established review sites or in-person consultations with current users often go a long way in choosing the right product.


Warranty policies save you from defective products, and they also serve as an indication for a commitment to quality on the part of the manufacturer. It is not uncommon for established manufacturers to have a dip in production consistency, which often leads to a defective product.

In the case where you fall victim to this, a warranty may save you from a painful loss. Warranty terms vary significantly between companies. While some companies allow a few months, other more generous ones extend the period to a year or more. In short, the more comprehensive, the better.


Water coolers come in different sizes, and your choice largely depends on the amount of space you have for the cooler. 

It is therefore prudent to carry out some measurements of the space you have, especially when you are going for point of use coolers to make sure you get something that works with your home or office setup.


As expected, these machines come with different prices based on a number of factors, including additional features, size, and design. The key point to remember regarding prices is that higher prices do not necessarily translate into better quality.

It is, therefore imperative to have a clear idea of the value that a particular model provides by evaluating the feature set, as well as available reviews from current and former users.

Additional features

  • Hot and Cold water functionality: A good number of models go the extra mile in terms of functionality by incorporating a hot water mechanism to deliver hot water for a range of purposes.
  • Filtration capabilities: Some water coolers incorporate special filtration kits to get rid of undesirable particles or impurities from the water. These are typically used in point of use water coolers.
  • Cup Holders and drip trays: These are special spaces created in front where you can store a number of cups for convenience and trap drips for hygiene.
  • Conversion Kits: These come in handy, especially for point of use coolers. Their main function is to assist with the dispensation of water from the water lines in use.
  • Safe hot water Faucet: These faucets assist with keeping the hot water faucet secure from children, thus taking the water cooler another mile in terms of safety.

1. Voltas Mini Magic Pure-T 500-Watt Water Dispenser – Our Choice

Voltas Mini Magic Pure-T 500-Watt Water Dispenser
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The Voltas Mini Magic Pure-T furnishes another great example of portability and efficiency. This combination makes it a fierce competitor with the Usha Laguna, as evidenced by the high regard it enjoys among modern-day users.

The design holds a lot of similarity with the Usha Laguna as it takes the body of a standard tabletop water cooler. Just like its competitor, the top features a mounting compartment for the water bottle.

The upper half of the frontal surface accommodates a control interface holding three LED indicators and control buttons for hot, cold, and normal water faucets. As expected, the lower half accommodates the tap panel and a drip drain.

The overall size measures 310 x 345 x 490 mm while the weight is slightly higher than the Laguna, which weighs at around 11 kgs.

Main Features
  • Type Table-Top loading water cooler.
  • Storage Capacity It has a cold water storage capacity of 3.2 liters, as the hot water storage is placed at around 0.9 liters.
  • Type of Refrigerant R134a.
  • Cooling and heating capacity It executes the cooling process at a rate of 3 liters per hour, whereas the heating process occurs at 5 liters per hour.
  • Functionalities Cooling, heating, and normal temperature.
  • Taps ( Type and quantity) Three taps for respective modes.
  • Material ABS plastic
  • Safety features It incorporates a hot water lock to offer protection to minors.
  • Warranty It comes with a one year warranty to cover manufacturing-related faults.
PROS (What we liked)
  • Portable: The machine has a small footprint, thus making it ideal for limited spaces.
  • Multifunctional: It caters for both cooling and heating needs.
  • User-friendly: It features a simple control interface and a plug and play system, making it easy to operate.
  • Durable: It has a solid and compact build quality which renders it ideal for long term mobile use.
CONS (What we didn’t like)
  • It has a lower volume/capacity
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2. Blue Star Bottom Loading Water Dispenser ( BDHPCF1) – Three Key Control Interface

Blue Star Bottom Loading Water Dispenser ( BDHPCF1)
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The Bluestar BDHPCF1 is a top Blue star water cooler machine from one of India’s largest manufacturers of air conditioners and refrigeration units, as evidenced by a colossal annual revenue of about 682 million dollars.

The model presents an ideal option if you are looking for a machine that offers all the functional advantages furnished by models on the high end of the ladder. Let’s look at what it has in store.

The water cooler comes in an all-black body taking the standard shape for bottom loading water coolers, with three main segments housing the key functional components. The top features a control interface with three key control buttons for power and for switching between the cold, hot, and plain modes of operation.

The midsection features a panel that houses the tap and a drip tray for effective drainage. The base features a cabinet for the water reservoir specifically positioned to provide easier plugins. When it comes to size, the water cooler measures 39 x 36 x 112 cm in length, width, and height, respectively, whereas the overall unit weight is placed at around 18.2 Kg.

Main Features
  • Type Bottom loading water cooler
  • Capacity, The water cooler, can hold up to 3.2 liters or 0.8 gallons of water.
  • Functionalities The machine is multifunctional in the sense that it can produce both Cold, Hot, and plain water.
  • Cooling and Heating wattage The cooler’s consumption is rated at 90 Watts for cooling, and 480 Watts for heating.
  • Taps (Type and quantity) It features one stainless steel tap located on the mid panel
  • Material The body is made of ABS plastic.
  • Power features. It relies on AC through a three-pin plug attached at the back of the machine.
  • Warranty  It comes with a 12-month warranty for manufacture related faults.
PROS (What we liked)
  • Excellent overall performance: The machine has a proven overall functional performance characterized by an efficient cooling system and dispensing unit.
  • Large capacity: The maximum volume is amongst the highest across the board.
  • Multifunctional: The machine is not limited to cooling as it provides an equally
  • an effective system for heating and maintaining a neutral temperature.
  • User-friendly: It is quite straightforward to install and operate, thus providing for seamless user experience.
  • Durable: It features superior construction quality and material to ensure a longer lifespan.
  • Attractive design: It comes with superior aesthetics, which render it a good fit in most settings.
CONS (What we didn’t like)
  • It is on the high end of the price tag.
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3. Voltas Pearl water dispenser – Durable and Appealing

Voltas Pearl water dispenser
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The Voltas pearl water cooler/dispenser is another model from a brand that commands respect due to the superior products it has brought on the landscape in recent years. A good number of power features combined with an appealing and durable design preserves its place among the best models on the market.

The cooler takes a uniquely colored red body while preserving the standard setup for top-mounted water coolers. The top features a plugin portal for the water reservoir, the midsection of the frontal aspect features three taps for cold, hot and normal water.

These overlook a neatly placed drip tray to provide a drainage portal. The frontal aspect of the base features a mini-fridge/cabinet to cater for medium-sized to smaller items in need of moderate refrigeration. The length, width, and height of the cooler measure 347 x 375 x 990 mm as the weight measures at around 16.5kg.

Main Features
  • Type As indicated above, this is a Top loading water cooler.
  • Storage Capacity, In this case, capacity is defined in terms of hot water storage capacity and cold water storage capacity. The former’s capacity is placed at 0.9 liters whereas the later is placed at 3.2 liters.
  • Type of refrigerant R134a
  • Cooling and heating capacity The cooling capacity is rated at around 2.5 liters/hour whereas the heating capacity stands at 5 liters/hour.
  • Functionalities It combines cooling, heating, and maintenance of normal temperature.
  • Cooling cabinet/mini-fridge volume It provides for up 20 liters of space.
  • Cooling cabinet temperature It has a maximum of 12 degrees celsius.
  • Safety features It incorporates a hot water tap lock to keep children safe.
  • Taps (Type and quantity) It features three faucets to cater for all the modes of function.
  • Material ABS plastic.
  • Power features. Its heating wattage is rated at 500 watts whereas the cooling wattage is placed at around 86 Watts. It requires a 230-volt power supply and uses a three-pin plug for AC.
  • Warranty  It comes with a 12 Month warranty to cater to manufacture-related faults.
PROS (What we liked)
  • Efficient cooling and heating system: It features a high cooling and heating capacity for relatively low consumption of power.
  • Voluminous enough for home or office usage: The cooler accommodates adequate storage capacities for both hot and cold water.
  • Multifunctional: It incorporates both heating and cooling systems.
  • User-friendly: It provides for an easy-to-operate and install the machine.
  • Durable: It is solidly built for long term use.
CONS (What we didn’t like)
  • It is relatively expensive when compared to other, more portable devices with more or less the same abilities.
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4. Voltas 6210174 3-Litre Mini Magic Super – T Water – Suffice Clean Water Needs

Voltas 6210174 3-Litre Mini Magic Super - T Water
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This model provides another great portable alternative to provide for your clean water needs. It is also a product of the Voltas Brand with some minor structural differences to the previous model.

It has earned its place on the list due to the superiority it provides in terms of features and the high acclaim it has attained among consumers as the top drinking water cooler machine.

There is not much peculiarity to appreciate in terms of design and structure as it takes an almost identical look to the Voltas Mini Magic T. The top holds the panel for the bottle, as the front houses the tap panel and a control interface for the individual taps.

The corresponding LED buttons are also arranged in a vertical fashion, which is probably the first difference one notices to the previous model. In terms of size,  the cooler is bulkier than the previous model, as it measures 34 x 40 x 57cm, as the weight is placed at around 12 kgs.

Main Features
  • Type Table-Top loading water cooler.
  • Storage Capacity It has a cold water storage capacity of 3.2 liters, as the hot water storage is placed at around 0.9 liters.
  • Type of Refrigerant R134a.
  • Cooling and heating capacity 3 liters per hour cooling, and 5 liters per hour for the heating process.
  • Functionalities Cooling, heating, and normal temperature.
  • Taps ( Type and quantity) Three taps for respective modes.
  • Material ABS plastic
  • Power features 80 Watt consumption for the cooling process, 500 watts for heating.
  • Safety features Hot water lock protection.
  • Warranty  1 year
PROS (What we liked)
  • Portable: It has a small footprint to make it suitable for small spaces.
  • Multifunctional: It has both cooling and heating capability.
  • User-friendly: It is easy to use through a simple interface and plug and play system
  • Durable: It features solid construction.
CONS (What we didn’t like)
  • Lower volumes.
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5. Usha Laguna 63HNCTT3T10S Table Top Water Dispenser – Great Set of Features

Usha Laguna 63HNCTT3T10S Table Top Water Dispenser
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If you are looking for something that has an extra edge for fitting in limited spaces like shelf or tabletops, this model from the popular Usha brand might just hit the nail on the head for you. Enhanced portability is not the only highlight it provides as it also accommodates one of the most impressive sets of features on the market.

The cooler comes in a typical compact, tabletop design in a white and blue body. It can be thought of as the standard water cooler without the cooling cabinet usually located at the base.

Like all top-mounted water coolers, the top features a plugin portal for the water reservoir. The upper half of the frontal surface holds three control buttons and some LED indicators for feedback. The lower half holds the tap panel and a drip tray.

The overall size measures a modest 36 x 39 x 58 cm in terms of length, width and height, as the weight is placed at around 10 kgs.

Main Features
  • Type Table Top loading water cooler.
  • Storage Capacity It has a hot water storage capacity of 1 liter, and a cold water storage capacity of about 3 liters.
  • Approximate flow rate It operates at around 80 liters per hour.
  • Cooling and heating capacity It has heating and cooling capacities of 5litres/hr and 3 liters/hour respectively.
  • Functionalities incorporate both cooling, heating, and normal temperature functionality.
  • Heating and cooling maximum temperatures 95 degrees Celsius and 2 degrees Celsius respectively.
  • Safety features. It comes with a hot water lock and overheats protection functionality.
  • Taps ( Type and quantity) It comes with a single tap to switch between the different modes.
  • Material Both the cabinet and the two chambers are made of stainless steel.
  • Power features The cooling and heating power consumption are set at 65 and 500 watts, respectively.
  • Warranty It comes with a one year warranty to cover manufacturing-related faults.
PROS (What we liked)
  • Efficient: It provides an impressive flow rate, heating capacity, and cooling capacity, which ensure a fast and low power consuming system.
  • Multifunctional: It accommodates both cooling and heating systems, thus making it more versatile.
  • User-friendly: It features an easy and conveniently placed control interface.
  • Durable: It features solid steel construction for an enhanced lifespan.
CONS (What we didn’t like)
  • It has a lower volume/capacity
  • It does not include a cooling cabinet for additional space.
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6. Bluestar PC240 stainless steel water cooler – Best for Busy Environment

Bluestar PC240 stainless steel water cooler
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If you have a couple of extra bucks and are looking for something beastly in terms of durability and capacity, the Bluestar stainless steel cooler provides a probable solution. It was built to handle high and frequent usage while providing much-needed reliability in busy environments like offices with 40-50 people. No doubt why it is considered as a good commercial water cooler.

At first glance, the water cooler leaves a strong impression of solidity due to a unique all-steel design which places it in sharp contrast with most of the models in the mid and lower ranges.

It is divided into an upper and lower section with the upper section housing the cooling apparatus and a tap panel on the front surface. There are two taps in total which overlook a drip drain, which also acts as a divider for the two sections. The lower section houses a cabinet for the water bottle. When it comes to size, the water cooler measures 44 x 44 x 115 cm in length, width, and height as the while the weight is placed at around 34 Kg.

Main Features
  • Type Bottom loading water cooler
  • Capacity It has a 40 liter storage capacity.
  • Functionalities It incorporates water cooling capabilities only. The other faucet is for plain water.
  • Cooling and Heating wattage The cooler’s consumption is rated at 90 Watts for cooling, and 480 Watts for heating.
  • Cooling capacity It functions at a rate of 20 liters per hour in terms of cooling.
  • Refrigerant R134a
  • Taps (Type and quantity) It has two stainless steel taps, one for cold and the other for plain water.
PROS (What we liked)
  • Durable: It is built with ultra-durable material along with a well-constructed body and system.
  • High volume: It has a voluminous tank capacity of 20 liters which, when considered as a combination of both taps, provides a colossal 40 liters. It is definitely among the highest in the industry.
  • Enhanced capacity: At 20 liters per hour for cooling, it provides for a highly efficient cooling system.
  • User-friendly: The cooler is easy to use and install
CONS (What we didn’t like)
  • It is expensive.
  • It lacks some extra features, such as heating, which are afforded by most high-end coolers.
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7. OG Heavy Duty Table Top Water Dispenser – Best Water cooler machine for office

OG Heavy Duty Table Top Water Dispenser
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The last slot on our review goes to a Tabletop water cooler from a budding brand known as OG. Despite its relatively new status on the market, the brand has managed to come up with a number of promising models with competitive feature sets.

This model has all the necessary power features befitting a top-quality tabletop water cooler machine for office.

The setup is generally similar to the tabletop coolers we have previously considered. As expected, it is a top-mounted cooler with the control interface and tap panel situated in front.

A key highlight in the design is the sleek and aesthetic body, which is somewhat more pleasing to the eye than the previous models. It has a rather portable weight of about 13kg, which is heavier than our previous models.

Main Features
  • Type Table-Top loading water cooler.
  • Storage Capacity 1 liter for cold storage capacity, 3.4 liters for hot storage capacity.
  • Cooling and heating capacity Cooling capacity are rated at 2.5 liters per hour while heating capacity rates at around 5 liters per hour.
  • Functionalities Cooling, heating and normal temperature.
  • Taps ( Type and quantity) Three taps for respective modes, with a lock for hot tap.
  • Power features. It requires a 240V power supply and consumes about 500 Watts.
  • Material ABS plastic
  • Warranty  1 year
PROS (What we liked)
  • Portable: Like most tabletops, It’s small size makes it easy to move and store in a wider variety of settings.
  • Multifunctional: It combines cooling and heating abilities.
  • User-friendly: It is easy to install and operate due to a simplified interface.
  • Durable: It comes in compact build quality with highly resistant material.
CONS (What we didn’t like)
  • It has lower volumes and cooling capacity.
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Frequently Asked Questions

1. What are the benefits of buying a water cooler?

A water cooler is an excellent option for use in schools, colleges, offices, homes, conference rooms, restaurants, etc. They are easy to install and require no plumbing.

It is capable of providing you with purified drinking water in different temperature options, namely, hot, cold, and normal based on the model. Moreover, they are more portable options to consider, as you have to plug them in and use.

2. Which are the top brands that manufacture water coolers?

The top brands that manufacture water coolers are as follows:

  • Voltas
  • Blue Star
  • Usha

3. Are system parts such as the condenser replaceable?

They can be replaced, but it is usually possible when you identify apart from an identical model, and of course, with professional help. Parts from other models can also work but make sure that you are certain after carrying out rigorous research or through professional advice.

4. How different is the water cooler system from a fridge?

The two appliances are based on similar physical and chemical concepts, but it is important to remember that the systems are adapted to their specific functions.

Fridges incorporate a more robust and more complicated system that features a separate evaporator and other features whereas a water cooler system is adapted to a smaller scale of operation through a more direct and less complicated setup.

An outstanding feature is that a water cooler evaporator is part and parcel of the coil apparatus.

5. Do I need to know the type of refrigerant used in a water cooler?

A thorough knowledge if the type of refrigerant is generally not a critical aspect in the first place unless if the need for coil replacement arises. Most coolers come with the industry-standard R134a.

6. What is the best warranty associated with water coolers?

The standard warranty period offered by these drinking water cooler machine brands is one year, which provides for more than ample time to discover any manufacture related faults. This makes it an ideal period for most products.

7. Does a water dispenser filter water?

Water dispensers usually possess cooling and heating capabilities. Filtration is an integral part of water purifiers. However, some water coolers, especially point of use coolers, possess some filtration apparatus to handle impurities associated with the running water they utilize.

8. How to clean a water dispenser?

Water coolers should be cleaned as regularly as possible. Ideally, they are supposed to be cleaned with every refill or change of the reservoir. Some authorities recommend cleanups every six weeks.

Much as it may seem a complicated device, all you need to get it cleaned is a clean sponge, water, and a standard bleach such as chlorine. Vinegar also works wonders if that is all you have available. The following few steps should lead you through the process.

  • Prepare the bleach or vinegar solution
  • To make the bleach solution, add one tablespoon of the bleach to a gallon of water in a bucket. White Vinegar is the most commonly used agent when it comes to vinegar solutions.
  • A mixture of 51/3 cups with a gallon of water does the trick. To reduce the Vinegar’s scent, you can add one spoonful or two of Lemon juice.
  • Unplug the water reservoir from the dispenser. Make sure the plug is out of the socket at this stage.
  • Use a clean sponge to clean the inside tank of the cooler with the bleach solution. Leave the solution in the cooler for some time, probably 3-6 minutes. Drain the solution through the water taps, making sure that you are collecting the liquid in a separate container.
  • Remove the solution completely
  • This can be done by filling the inside with water and draining through the taps for 4-6 times.
  • Rinse both the tray, the outer surface of the dispenser, and the reservoir with the bleach solution and clean water.
  • Dry the tray and outer surface of the dispenser.
  •  With clean hands, refill the reservoir and reinstall it on the dispenser to test if it’s working.


To sum up, landing the best water cooler for your needs is more of an interplay between three key factors. These are; your knowledge of the basic mechanism behind their function, understanding the critical factors separating the best from average and low-quality models, and applying the knowledge on the choices you have at your disposal.

We have listed the top 10 best products available in the market, and from these, we feel Voltas Mini MagicBlue Star Bottom Loading Water Dispenser, and Voltas Pearl Water Dispenser are the top 3 best Water cooler machine available. For a quick recap, water coolers employ the principle that heat moves to regions of lower temperature by introducing a colder environment around a water reservoir.

On the key factors critical to the water cooler machine, we established that you need to understand aspects such as water cooler types, capacity, volume, power features, additional features, and warranties to inform your decision as much as possible.

The final section looked at some of the best models on the market as an attempt to furnish you with a good point to start with, as you are hunting for your best fit. We hope by this point you are comfortable as ever to advance your journey towards building a great home or office.


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